Ocean City Weather in May
Thinking of visiting Ocean City in May? Expect pleasant temperatures reaching 22°C (72°F) during the day, dropping to 13°C (55°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Ocean City in May
Historically, May sees about 11 days of rain, with a monthly average of 85 mm (3.3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Ocean City in May
Weather in Ocean City is at its perfect in May. Highs reach 22°C (72°F), while nights settle around 13°C (55°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Average water temperature in May
The water is 13°C (55°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ocean City's climate page.
Ocean City Temperature in May
Min Temperature
13°C (55°F)
Max Temperature
22°C (72°F)
Water Temperature
13°C (55°F)
Chance of Rain
37%
Precipitation
85 mm (3.3 in)
Rainy days
11 days
Humidity
71%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ocean City typically rise from around 20°C (68°F) at the start of May to approximately 25°C (77°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 16°C (61°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Ocean City in May
Browse day-by-day weather records for Ocean City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ocean City historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Ocean City.
- On May 31, 1991, temperatures climbed to 34°C (93°F), marking the warmest May day on record.
- On May 7, 1992, Ocean City saw its coldest May day with temperatures maxing out at 9°C (48°F).
- The coldest night in May in Ocean City was on May 5, 2003, with a minimum of 1°C (34°F).
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
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What to Wear in Ocean City in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 13°C (55°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough.What To Do in Ocean City in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ocean City's climate page.
Temperature Rainfall Humidity Water Temp
See the full Ocean City climate overview or explore weather in the United States of America.
